From 4829a6c1de1b48e1f22308a089a66af632a6909e Mon Sep 17 00:00:00 2001 From: Qinglang Miao Date: Tue, 27 Sep 2022 21:10:18 +0800 Subject: [PATCH] cpufreq: mediatek: add missing platform_driver_unregister() on error in mtk_cpufreq_driver_init stable inclusion from stable-v5.10.121 commit c7b0ec974457b609aa35f11f8e2125c8a7b9ee05 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I5L6CQ Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=c7b0ec974457b609aa35f11f8e2125c8a7b9ee05 -------------------------------- [ Upstream commit 2f05c19d9ef4f5a42634f83bdb0db596ffc0dd30 ] Add the missing platform_driver_unregister() before return from mtk_cpufreq_driver_init in the error handling case when failed to register mtk-cpufreq platform device Signed-off-by: Qinglang Miao Signed-off-by: Viresh Kumar Signed-off-by: Sasha Levin Signed-off-by: Zheng Zengkai Acked-by: Xie XiuQi --- drivers/cpufreq/mediatek-cpufreq.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/cpufreq/mediatek-cpufreq.c b/drivers/cpufreq/mediatek-cpufreq.c index a310372dc53e..f2e5ba3c539b 100644 --- a/drivers/cpufreq/mediatek-cpufreq.c +++ b/drivers/cpufreq/mediatek-cpufreq.c @@ -573,6 +573,7 @@ static int __init mtk_cpufreq_driver_init(void) pdev = platform_device_register_simple("mtk-cpufreq", -1, NULL, 0); if (IS_ERR(pdev)) { pr_err("failed to register mtk-cpufreq platform device\n"); + platform_driver_unregister(&mtk_cpufreq_platdrv); return PTR_ERR(pdev); } -- GitLab